1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/shared/fronts/gcli.js b/devtools/shared/fronts/gcli.js
new file mode 100644
index 000000000..28ae1138b
--- /dev/null
+++ b/devtools/shared/fronts/gcli.js
@@ -0,0 +1,40 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+const { Front, FrontClassWithSpec } = require("devtools/shared/protocol");
+const { gcliSpec } = require("devtools/shared/specs/gcli");
+
+/**
+ *
+ */
+const GcliFront = exports.GcliFront = FrontClassWithSpec(gcliSpec, {
+  initialize: function (client, tabForm) {
+    Front.prototype.initialize.call(this, client);
+    this.actorID = tabForm.gcliActor;
+
+    // XXX: This is the first actor type in its hierarchy to use the protocol
+    // library, so we're going to self-own on the client side for now.
+    this.manage(this);
+  },
+});
+
+// A cache of created fronts: WeakMap<Client, Front>
+const knownFronts = new WeakMap();
+
+/**
+ * Create a GcliFront only when needed (returns a promise)
+ * For notes on target.makeRemote(), see
+ * https://bugzilla.mozilla.org/show_bug.cgi?id=1016330#c7
+ */
+exports.GcliFront.create = function (target) {
+  return target.makeRemote().then(() => {
+    let front = knownFronts.get(target.client);
+    if (front == null && target.form.gcliActor != null) {
+      front = new GcliFront(target.client, target.form);
+      knownFronts.set(target.client, front);
+    }
+    return front;
+  });
+};